About: http://webisa.webdatacommons.org/174592382

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Fluids, such as hydrogen gas, can pass into and out of the storage tank through the one or more openings.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com